The years after the puppy years are the ones we're learning to make better.
Dog Healthspan is an independent journal translating peer-reviewed canine longevity science into the small daily decisions that compound into more — and better — years.


Healthspan, Not Just Lifespan: The New Science of Aging Well in Dogs
Adding years to your dog's life is the easy part. Adding life to those years is what the next decade of canine medicine is really about.

The Lean Dog Protocol: Why Body Condition Is the Single Best Longevity Lever
A landmark 14-year Labrador study found that lean dogs lived nearly two years longer than their littermates. The mechanism — and the practical playbook — is now clear.

Movement Is Medicine: The Cellular Case for the Daily Walk
What an hour of sniffing, trotting, and exploring actually does to a dog's mitochondria, brain, and joints — and why intensity matters less than you think.

The Gray Muzzle Mind: Catching Cognitive Decline Before It's Visible
Canine cognitive dysfunction affects 28 percent of dogs aged 11 to 12, and 68 percent by age 16. The early signs are subtle — and the window for intervention is wider than most owners realize.

The Sleep Prescription: Why Rest Is the Most Underrated Longevity Input
Adult dogs need 12 to 14 hours of sleep. Seniors need 16 to 18. The quality of that sleep is doing more biological work than almost anything else in their day.

The Absorption Problem: Why Most Dog Supplements Never Reach the Cell
You can put the right ingredient in the bowl and still deliver almost none of it. The bottleneck isn't the formula — it's what stomach acid does to it on the way down.

The Gut Is the Immune System: What 'Sensitive Stomach' Is Actually Telling You
Roughly 70 percent of a dog's immune cells live in the gut wall. The chronic loose stool, the dull coat, the itchy paws — they are often the same conversation.

The Joint Conversation Starts at One: Protecting the Frame Before It's the Problem
By the time a large-breed dog is limping, the cartilage damage is years old. The window that actually matters opens in puppyhood and closes quietly around age three.
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